Use quotation marks to search for an "exact phrase". Append an asterisk (*) to a search term to find variations of it (transp*, 32019R*). Use a question mark (?) instead of a single character in your search term to find variations of it (ca?e finds case, cane, care).
COM (2005) 35:
Communication from the Commission to the Council, the European Parliament, the European Economic and Social committee and
the Committee of the Regions - Winning the Battle Against Global Climate Change {SEC(2005) 180}